22161860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{509}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 53464320

約数和(自身を除く): 31302460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 509, 622, 1018, 1244, 1555, 2036, 2177, 2545, 3110, 3563, 4354, 5090, 6220, 7126, 8708, 10180, 10885, 14252, 17815, 21770, 35630, 43540, 71260, 158299, 316598, 633196, 791495, 1108093, 1582990, 2216186, 3165980, 4432372, 5540465, 11080930, 22161860]

約数ペア:

[(1, 22161860), (2, 11080930), (4, 5540465), (5, 4432372), (7, 3165980), (10, 2216186), (14, 1582990), (20, 1108093), (28, 791495), (35, 633196), (70, 316598), (140, 158299), (311, 71260), (509, 43540), (622, 35630), (1018, 21770), (1244, 17815), (1555, 14252), (2036, 10885), (2177, 10180), (2545, 8708), (3110, 7126), (3563, 6220), (4354, 5090)]